Heading Tag Checker is a free Chrome extension designed to assist developers, SEO specialists, and content editors by validating heading tags (H1 to H6) on any webpage. This lightweight tool scans the current page for issues, such as missing text content or closing tags, which are critical for both accessibility and SEO best practices. With its simple one-click functionality, users can easily initiate a check from the popup interface.

The extension highlights any problematic headings with a red outline, making it easy to spot errors at a glance. Additionally, it provides a concise summary of the issues detected, allowing users to address them promptly. By ensuring proper heading tag usage, Heading Tag Checker contributes to a more semantic HTML structure, ultimately enhancing website performance and user experience.